*The molar extinction coefficient is reported to be either 4500 M<sup>-1</sup>cm<sup>-1</sup> <cite>Skoneczny-BiochemJ-2000</cite> or 4900 M<sup>-1</sup>cm<sup>-1</sup> <cite>Onishi-ApplEnvironMicrobiol-1995</cite> (not original references, better references would be preferable).

*The molar extinction coefficient is reported to be either 4500 M<sup>-1</sup>cm<sup>-1</sup> <cite>Skoneczny-BiochemJ-2000</cite> or 4900 M<sup>-1</sup>cm<sup>-1</sup> <cite>Onishi-ApplEnvironMicrobiol-1995</cite> (not original references, better references would be preferable).